BS EN 3745-705 is a standard that covers contrast measurement for fibres and cables, enabling users to differentiate between different classes and types through identification markings and enable risk reduction in the installation process.
BS EN 3745-705 specifies the process to be applied for measuring different colour densities of cable identification markings.
BS EN 3745-705 is designed to define a reproducible process of contrast value determination.
BS EN 3745-705 on contrast measurement for fibres and cables applies to:
Contrast is the ratio of reflecting light. Here, it relates to the reflecting light of cable identification marking and cable surface to ensure the identification and classification of cables for use case applications.
BS EN 3745-705 provides users guidance on a test method to measure colour densities of cable identification markings in aerospace applications. BS EN 3745-705 also provides users with a step-by-step procedure for the method, enabling users to do the method correctly for accurate results.
BS EN 3745-705 provides users guidance on test equipment such as components of measuring device, equipment colour, illuminance, diameter of measuring spot, calibration and lighting equipment, enabling users to accurately measure colour density.
With obedience and compliance to BS EN 3745-705, users can assess the contrast value of fibres and cables to ensure proper identification, classification, grading and marking of cables and fibres in aerospace applications.
EN 3745-705:2007